You swap x and y. for example, the first set is (0,1) so the inverse would be (1,0)
Answer:
this would not not be a valid conclusion because only that class was included In the poll not the entire school. Another method to determine the most popular subject is to include every class(the entire school)in the poll
The common ratio of sequential values is
18.2/26 = 0.7
The missing value is
12.74*0.7 = 8.918
The appropriate choice is ...
d. 8.918
All angles of a triangle sums up to 180 degrees
a° = 3a + 90 = 180°
3a = 180 - 90
3a = 90
a = 90÷3
a = 30°
b = 180-(25+90)
b = 180 - 115
b = 65°
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